Sanitary drinking-cup.



` G. o. STBARNS, JR.

SANITARY DRINKING CUP. APPLICATION FILED MAR. 29, 1912.

' 1,060,863, l Patented May 6,1913.

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GEORG-n .ojsrmnns J3., or aAoKsoN, MroHIonQLN.A

,l Jr., a citizenof-the United'States,residing at.Jacl s'on, Iin the county of AJackson and State of h dichigan,v have invented new and useful Improvements in'Sanitary`Drinking--..

:Cups:

of Whichthefollowing is a specicawtion.

i and the quantity'of water. contained ,Within j-Tlie inventionrelatesft cupsia'nd vmore particularly to the class of sanitaiyidrinlingcps., Y

position `and o n rnov'ing same vto another position the jwatertsupply vvwill Vbe 'out ott',

' thefcpwill be discharged therefrom inl a l i' I nann`er'to-I thoroughly rinse 'the cup` thereby ',20

renderingffit perfectly; clean and sanitary '1" .Another object-'ofthev invention iisdthei'lpr f vision of afcup' of this character in whioha continuous vfr'sh wvzterjsupply; Willtloiv,

thereintd when in.'ongpositnnf for drinking `purposesarnd on reversing the cup 'thesup 'ply is autoina tically cut otfthereby;reniiler-A .ing a`saving inthefonsuxnption of Water in 'drinkingfopnt-ainsgthe cup when in inverted position being rinsed by. the fresh Water which is, prevented from returning into the 1 water supplyt s'o" that the remaining A of Waterjvill flush the cupgso and thereby maintain quantity as 'to thoroughly clean lt-he same, it in. Sanit'arycondition at all times.

A further' object of the invention is the f prpvisionfof-'a drinking cup Whichis simple in constriiction and mounted "upon a Water supp y-,pipe or the'llke 1n a' novel manner so n S to -'ma ke'.;itthoroughlyV reliable and eflicientin it'spupose asi Well .as .minimizing the' @stof-manufacture thereof.

invention consists blnation and` arrangement of parts as will With thesean'd othei` objects in viei'v, 'the .in the construction, combe,hereinafter"more fully' described, illustrated in the accompanying drawings,and pointedout in the cla-im hereunto appended.

i ,'In thedrawingFigure l is a fragmen- -accordance with' thereon. Fig. N2 is`a vertical longitudinal.

taryside elevationof a Water supply pipe showing the drinking cup constructed in the invention mounted sectionlal View thereof. Fig. 3 is an end elevatioln .Figa-eis a vertical transverse sectlonal view. 5 is a vertical transverse e primaryobe'ct "ofthe invention is the provision of afdrinking-.cup in which fresh f -Water Willi-be admittedthereto Whenin one i: y'senrinstruir DnrNKINe-CUI{. -f

specification or Letters Patent.

. vwhich'leadsfrorn a'. fresh :fountain-or other sourceof Water supply, providedwith 1an Votlt'wardly tapered sta .fis formed. a closing` with the bore ofthe Sectional View `.showing afslight `inotililication of c up `and handle therefor'.

` Similar reference characters `indicate cor- 1 ,responding parts throughout the'.` several .views in the. drawing. a jy 1 R ferringf to the' Vdrawing .by numerals 5 designates a portion ofV awater inlet. pipe Watfeij supply main,

tionaryplug 6 providing a shoulder Tat its inner end,'while'at the oppositeouterj end therein which isrsin direct Vcommunication this plug mounted cup presently described.-

The" drinking 'cup comprises a hollow ,demie-Sh#undA body .ll correspondingly-shaped to the plug 6 and snugly fittingx about the saine, the inner end 10 fformed '.vith a sleeve supply .pipe 5? and on i a t u`rning drinking Wall `Sifor the lbore 91y of the sleeve being .formed With a contracted i "neck l2 over which telescopes a `cap 1 3y the saine being fastened to the supply pipe by means ofa set`screw 14, while the outer end ofthe vsleeve, 1-1 is formed with a ciroularshaped turning handle 15 provided with, an

externally knurled bead 16 which prevents the'slippi'ng ofthe hand on the handle when grasping the same for'the turning of the cup versa. v The-closed end ofthe plug is formed with a threaded stem extensionlb' on which is engagedanut 17 Working against a washer 18; the Same Working against a shoulder l.) formed in the handle 15, thereby fastei'ling the sleeve ll of the oup l0 upon thepliig` Surrounding the supply pipe 5 u'ithiirthe cap l3'is a coiled expansion spring 20, one

.end ofwhich is fixed to Athe cap while its opL posite end `is fixed to the contracted 'necl portion l2 'of thev sleeve 1l so as to sustain the said cup normally inverted on the plug' thereby avoiding leakage between the plug and the said sleeve.

Formed in the plugGand opening` through the top thereof is an outlet port 2l with which is ,adapted to register an inlet. port 22 provided in the bottom of the cup body l0, the said inlet port 9:2 being designed to register with the port 21 when the cup has from' inverted to vupright position or vice been brought to upright position so that water may beadlnittedto the cup irointhe water supply pipe 5, but on inverting the thewater supplyrt the cup. l

said cup is in 'upright 1oz is Vstormedl with Va Y- laterally extending I tapering plngl l'provide said cup the port. -22 willl be thrownv out of register with the port 21 therehy cutting oil Formed on the cup centrally thereof is a 5 flared mouth engaging rim 23 communicating withthe interlor'of the cup 10 so that 'water may be drunk therefrom when the osition and on the invertingxofthe ou t e water, remaining therein"` will be discharged through the mouth piece 23 thereby thoroughly cleansing .the cup and sustaining it -in sanitary con-y Vditionnt.9,11`-tmes.. t 4

In Fig. 5 there 4is `showna slight inodiiiicatioligozdrinkingfcup wherein thel sleeve crank arm25 whereby'the cu 'may be shifte from inverted to` uprig t position orA vice versa.. .Y

ff li`romthe Aforegoing description, taken in. A connection with the accompanying drawing,

itis-thou htthat theconstruction and oerj .'ation oft e invention will be clearly' un o 4 j rst'ood,rand-therefore, amore extended eX- 25A planation vhasfbeenl omitted. v

-What isclaimedis: -A drinking cup conitprising an outwardly Vwith a central bore opening through its top and the inner. end

thereof, an inlet pipe threadedin. the open 30 end of the bore, a hollow body formedwith a sleeve ACorrespondingly shaped to and sur-i. roundin the said lug, an inturned annular shou der forme on the sleeve and abutting against the inner end of the lug, a

'iiared mouth formed on the body, t e said" cap surrounding the inlet pipe and abut- Y ting against 'the inner end of the sleeve, a

coiled expansion spring surrounding the ipe and working against the cap and' the .mturned shoulder on the sleeve, vand means llocking the said cap upon the' inlet pipe. A

In 'testim'on whereof I aiiix my signature 50 in presenceo two witnesses.

f Witnesses: A' o WILLIAM W. RoWLEY, n

Cnpie: 'oi this natent inay tie obtained lfor ilve `cents. eaoh,iby addressing the commissioner of latenti..

" Washington, D. C. i 

